Diplulmaris antarctica

Diplulmaris antarctica is a species of Antarctic jellyfish in the family Ulmaridae.[1]

Diplulmaris antarctica
Diplulmaris antarctica offshore from Dumont d'Urville Station, in the Géologie Archipelago.
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Scyphozoa
Order: Semaeostomeae
Family: Ulmaridae
Genus: Diplulmaris
Species:
D. antarctica
Binomial name
Diplulmaris antarctica
Maas, 1908

Description
Diplulmaris antarctica with amphipods, offshore from McMurdo Station, Ross Island

This species grows up to 18 cm (7 in) in diameter.[2] Diplulmaris antarctica has 16 - 48 laterally compressed, white tentacles and a white frontal lobe. It has reddish-orange stomach gastrodermis and frilled oral arms of the same colour.

This jellyfish is normally infested with Hyperiella dilatata. These hyperiid amphipods appear as white dots on the surface of the bell, and do not appear to eat the medusa.[3]

Diet

Diplulmaris antarctica feeds on copepods, euphausiid larvate, medusae, ctenophore, fish larvae,[2] and molluscan pteropods such as Clione antarctica[4] and Limacina antarctica.[4]

Distribution

This species is found in Antarctica including the Antarctic Peninsula in continental shelf waters near the surface.

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References
  1. http://www.sealifebase.org/summary/SpeciesSummary.php?id=44408
  2. "Under the Antarctic Ice--Jellyfish". National Science Foundation. Retrieved 2018-09-26.
  3. "eScholarship: Cnidaria – Scyphozoa: jellyfish". Repositories.cdlib.org. 1998-04-01. Retrieved 2010-07-30.
  4. Larson R. J. & Harbison G. R. (1990). "Medusae from Mcmurdo Sound, Ross Sea including the descriptions of two new species, Leuckartiara brownei and Benthocodon hyalinus". Polar Biology 11(1): 19-25. doi:10.1007/BF00236517.

Further reading
  • Pelagic Scyphomedusae (Scyphozoa: Coronatae and Semaeostomeae) of the Southern Ocean. RJ Larson. Washington, DC: American Geophysical Union, 1986
  • Antarctic Ecology, Volume 1. MW Holdgate, ed. NY: Academic Press, 1970. pp244–258
  • Annales de l'Institut Oceanographique 73(2):139-158, 1997; 5: Annales de l'Institut Oceanographique 73(2):123-124, 1997
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